Bartholomew Allerton was born around 1612 or 1613 in Leiden, Holland, to parents Isaac and Mary (Norris) Allerton. He, his parents, and his sisters Remember and Mary came to Plymouth on the Mayflower in 1620. At some point, Bartholomew returned to England and took up residence in Norfolk and later Bramfield, Suffolk. A 1657 chancery suit, a couple of letters in the British Library, and his 1658/9 will are the known records of his life in England. Nobody has successfully documented descent from Bartholomew Allerton, but he probably does have some descendants living in England, if information about his children could be further traced.

Additional Resources
Bartholomew Allerton of Bamfield, Suffolk, wrote a couple of letters to Sir P. Percival, that are currently in the British Library manuscript collection (Add. 46928 folio 159, and Add. 46929 folio 11).
Bartholomew Allerton was a defendant in a Chancery lawsuit, (C 5/30, no. 57), dated 1657, for Mendham, Suffolk

Will of Bartholomew Allerton
15 October 1658

Knowe all men by these presents
That I Bartholomew Allerton of Bamfield in the Countye of Suff Clerke, being of perfect disposinge memorie doe make this my last will and Testament Imprimis I will my Bodie to be decentlye buried at the discretion of of my Executrix Hereafter to be named Item my worldlie goodes I dispose of in manner followinge (that is to say) To each of my children I bequeath five shillings a peece to be paid to every of them imediately after my decease

Item I will all my goodes, chattells, bills, bondes, debts houshold stuffe beddinge and whatsoever is properly mine (except the wearinge lynen of Margarett my late wife) I give and bequeath unto Sarah my wel beloved wife for and towards the payment of my debtes and the educaten of my children And the said Sarah I doe by these presents constitute and appoint the Sole Executrix of this my last will and Testament

Wittnes my hand and seale this fifteenth day of October in the yeare of our Lord one thousand sixe hundred fiftye and eight

Barth Allerton

Sealed and declared to be my last will and Testament in the presence of Beniamin ffairefax Jun, Edmund Watkin, Nath ffairefax